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node_helper.js
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node_helper.js
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/*
Node Helper module for MMM-MicrosoftToDo
Purpose: Microsoft's OAutht 2.0 Token API endpoint does not support CORS,
therefore we cannot make AJAX calls from the browser without disabling
webSecurity in Electron.
*/
var NodeHelper = require('node_helper')
const request = require('request')
module.exports = NodeHelper.create({
start: function () {
console.log(this.name + ' helper started ...')
},
socketNotificationReceived: function (notification, payload) {
if (notification === 'FETCH_DATA') {
this.fetchData(payload)
} else if (notification === 'COMPLETE_TASK') {
this.completeTask(payload.taskId, payload.config)
} else {
console.log(this.name + ' - Did not process event: ' + notification)
}
},
completeTask: function (taskId, config) {
// copy context to be available inside callbacks
var self = this
var completeTaskUrl = 'https://graph.microsoft.com/beta/me/outlook/tasks/' + taskId + '/complete'
request.post({
url: completeTaskUrl,
headers: {
Authorization: 'Bearer ' + self.accessToken
}
}, function (error, response, body) {
if (error) {
console.error(self.name + ' - Error while requesting access token:')
console.error(error)
return
}
if (body && JSON.parse(body).error) {
console.error(self.name + ' - Error while completing tasks:')
console.error(JSON.parse(body).error)
self.sendSocketNotification('COMPLETE_TASK_ERROR', { error: JSON.parse(body).error.code, errorDescription: JSON.parse(body).error.message })
return
}
console.log(this.name + ' - Completed task with ID: ' + taskId)
// update front-end about success to trigger a refresh of the task list
self.sendSocketNotification('TASK_COMPLETED_' + config.id)
})
},
getTodos: function (config) {
// copy context to be available inside callbacks
var self = this
// get access token
var tokenUrl = 'https://login.microsoftonline.com/common/oauth2/v2.0/token'
var refreshToken = config.oauth2RefreshToken
var data = {
client_id: config.oauth2ClientId,
scope: 'offline_access user.read ' + (config.completeOnClick ? 'tasks.readwrite' : 'tasks.read'),
refresh_token: refreshToken,
grant_type: 'refresh_token',
client_secret: config.oauth2ClientSecret
}
request.post({
url: tokenUrl,
form: data
},
function (error, response, body) {
if (error) {
console.error(self.name + ' - Error while requesting access token:')
console.error(error)
return
}
if (body && JSON.parse(body).error) {
console.error(self.name + ' - Error while requesting access token:')
console.error(JSON.parse(body))
self.sendSocketNotification('FETCH_INFO_ERROR_' + config.id, { error: JSON.parse(body).error, errorDescription: JSON.parse(body).error_description })
return
}
const accessTokenJson = JSON.parse(body)
var accessToken = accessTokenJson.access_token
self.accessToken = accessToken
// get tasks
var _getTodos = function () {
var orderBy = (config.orderBy === 'subject' ? '&$orderby=subject' : '') + (config.orderBy === 'dueDate' ? '&$orderby=duedatetime/datetime' : '')
// Adding "if statement" to support "predefined/dynamic lists" from Microsoft
if (config.dynamicList === undefined || config.dynamicList === '') {
var listUrl = 'https://graph.microsoft.com/beta/me/outlook/taskFolders/' + config._listId + '/tasks?$select=subject,status,duedatetime&$top=' + config.itemLimit + '&$filter=status%20ne%20%27completed%27' + orderBy
} else if (config.dynamicList === 'important') {
// filter the predefined/dynamic list "Important"
// To-Do for feature: adding support for all "predefined/dynamic lists"
var listUrl = 'https://graph.microsoft.com/beta/me/outlook/taskFolders/' + config._listId + '/tasks?$select=subject,status,duedatetime&$top=' + config.itemLimit + '&$filter=status%20ne%20%27completed%27%20and%20importance%20eq%20%27high%27' + orderBy
}
request.get({
url: listUrl,
headers: {
Authorization: 'Bearer ' + accessToken
}
}, function (error, response, body) {
if (error) {
console.error(self.name + ' - Error while requesting access token:')
console.error(error)
}
if (body && JSON.parse(body).error) {
console.error(self.name + ' - Error while requesting tasks:')
console.error(JSON.parse(body).error)
self.sendSocketNotification('FETCH_INFO_ERROR_' + config.id, { error: JSON.parse(body).error.code, errorDescription: JSON.parse(body).error.message })
return
}
// send tasks to front-end
const tasksJson = JSON.parse(body)
self.sendSocketNotification('DATA_FETCHED_' + config.id, tasksJson.value)
})
}
// get ID of task folder
var taksFoldersUrl = 'https://graph.microsoft.com/beta/me/outlook/taskFolders/?$top=200'
request.get({
url: taksFoldersUrl,
headers: {
Authorization: 'Bearer ' + accessToken
}
}, function (error, response, body) {
if (error) {
console.error(self.name + ' - Error while requesting task folders:')
console.error(error)
self.sendSocketNotification('FETCH_INFO_ERROR_' + config.id, { error: 'Error while requesting task folders', errorDescription: error })
return
}
// parse response from Microsoft
var list = JSON.parse(body)
// if list name was provided, retrieve its ID
if (config.listName !== undefined && config.listName !== '') {
list.value.forEach(element => element.name === config.listName ? (config._listId = element.id) : '')
} else if (config.listId !== undefined && config.listId !== '') {
// if list ID was provided copy it to internal list ID config and show deprecation warning
config._listId = config.listId
console.warn(self.name + ' - Warning, configuration parameter listId is deprecated, please use listName instead, otherwise the module will not work anymore in the future.')
// TODO: during the next release uncomment the following line to not show the todo list, but the error message instead
// self.sendSocketNotification('FETCH_INFO_ERROR_' + config.id, {
// error: 'Config param "listId" is deprecated, use "listName" instead',
// errorDescription: 'The configuration parameter listId is deprecated, please use listName instead. See https://github.com/thobach/MMM-MicrosoftToDo/blob/master/README.MD#installation' })
} else if (config.dynamicList === 'important') {
// if dynamicList is set, create an array of listId's
list.value.foreach(element => config._listId = element.id)
} else {
// otherwise identify the list ID of the default task list first
// set listID to default task list "Tasks"
list.value.forEach(element => element.isDefaultFolder ? (config._listId = element.id) : '')
}
if (config._listId !== undefined && config._listId !== '') {
// based on translated configuration data (listName -> listId), get tasks
config._listId.forEach(element => _getTodos())
} else {
self.sendSocketNotification('FETCH_INFO_ERROR_' + config.id, { error: '"' + config.listName + '" task folder not found', errorDescription: 'The task folder "' + config.listName + '" could not be found.' })
console.error(self.name + ' - Error while requesting task folders: Could not find task folder ID for task folder name "' + config.listName + '", or could not find default folder in case no task folder name was provided.')
}
} // function callback for task folders
)
})
},
fetchData: function (config) {
this.getTodos(config)
}
})